71245665

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3251}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 123784128

約数和(自身を除く): 52538463

約数列:

[1, 3, 5, 9, 15, 45, 487, 1461, 2435, 3251, 4383, 7305, 9753, 16255, 21915, 29259, 48765, 146295, 1583237, 4749711, 7916185, 14249133, 23748555, 71245665]

約数ペア:

[(1, 71245665), (3, 23748555), (5, 14249133), (9, 7916185), (15, 4749711), (45, 1583237), (487, 146295), (1461, 48765), (2435, 29259), (3251, 21915), (4383, 16255), (7305, 9753)]